Point: 1.Wave Sound Deadener Liner has the same characteristics and excellent noise insulator properties as rubber foam. It has a very low weight, oil and petrol resistant. 2.The material used is an excellent insulator! The sound deadener material allows you to deal with both, cold and the heat. This is especially important in hot climate areas. Well-insulated interior is a pledge of high comfort while in vehicle. Liner heat shield material will solve the problem of excessive heating if your car is equipped with a powerful engine and enhanced exhaust system. It is also easy to use Liner as the hood insulation (hoodliner). 3.Placement of using sound deadener mat:A.Hood B.Celling C.Door D.Cockpit Floor E.Tailgate F.Firwall and U Type Wall J.Front H.Front and Back Wheels 4.1.Moistureproof 2.extrab backed self adhesive 3.